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set config field take optional Config

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This commit is contained in:
wiiznokes 2024-04-09 14:47:56 +02:00
parent 0caff62a18
commit 6c933d2d55
4 changed files with 22 additions and 5 deletions
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3
cosmic-config-derive/Cargo.toml
View file

@ -9,4 +9,5 @@ proc-macro = true
[dependencies]
syn = "1.0"
quote = "1.0"
quote = "1.0"
tracing.workspace = true

20
cosmic-config-derive/src/lib.rs
View file

@ -89,11 +89,25 @@ fn impl_cosmic_config_entry_macro(ast: &syn::DeriveInput) -> TokenStream {
Some(quote! {
#[doc = #doc]
///
/// Returns `Ok(true)` when the field's value has changed and was written to disk
pub fn #setter_name(&mut self, config: &cosmic_config::Config, value: #field_type) -> Result<bool, cosmic_config::Error> {
/// Returns `Ok(true)` when the field's value has changed and was written to disk.
/// Log error in case of faillure
pub fn #setter_name(&mut self, config: &Option<cosmic_config::Config>, value: #field_type) -> Result<bool, cosmic_config::Error> {
if self.#field_name != value {
self.#field_name = value;
cosmic_config::ConfigSet::set(config, stringify!(#field_name), &self.#field_name)?;
match config {
Some(config) => {
if let Err(err) = cosmic_config::ConfigSet::set(config, stringify!(#field_name), &self.#field_name) {
tracing::error!("failed to save config {:?}: {}", stringify!(#field_name), err);
return Err(err);
}
}
None => {
tracing::error!(
"failed to save config {}: no config handler",
stringify!(#field_name),
);
}
}
Ok(true)
} else {
Ok(false)